866130602734997 has 2 divisors, whose sum is σ = 866130602734998. Its totient is φ = 866130602734996.

The previous prime is 866130602734853. The next prime is 866130602735023. The reversal of 866130602734997 is 799437206031668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832007141677156 + 34123461057841 = 28844534^2 + 5841529^2 .

It is a cyclic number.

It is not a de Polignac number, because 866130602734997 - 2¹⁰ = 866130602733973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 866130602734997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866130602734097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433065301367498 + 433065301367499.

It is an arithmetic number, because the mean of its divisors is an integer number (433065301367499).

Almost surely, 2^{866130602734997} is an apocalyptic number.

It is an amenable number.

866130602734997 is a deficient number, since it is larger than the sum of its proper divisors (1).

866130602734997 is an equidigital number, since it uses as much as digits as its factorization.

866130602734997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493807104, while the sum is 71.

The spelling of 866130602734997 in words is "eight hundred sixty-six trillion, one hundred thirty billion, six hundred two million, seven hundred thirty-four thousand, nine hundred ninety-seven".